Use label when saving multiple

Author: CodeWithDennis

resources/dist/tree.js

@@ -21,7 +21,7 @@ export default function tree({
         init() {
             const values = this.isSingleSelect
                 ? (this.state !== null ? this.state : '')
-                : (this.state !== null ? this.state.split(',').map(Number) : '');
+                : (this.state !== null ? this.state.split(',') : '');
 
             this.tree = new Treeselect({
                 id: `tree-${name}-id`,

resources/js/index.js

@@ -147,7 +147,7 @@ private function buildTree(int $parent = null): Collection
             // Create an array representation of the current result with children.
             return [
                 'name' => $result->{$this->titleAttribute},
-                'value' => $result->id,
+                'value' => $this->getMultiple() ? $result->{$this->titleAttribute} : $result->id,
                 'children' => $children->isEmpty() ? null : $children->toArray(),
             ];
         });